GEA pluscom Bock EX-HG12P, Руководство по сборке, Страница: 29 / 44

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7 | Maintenance
6.8 Preventing icing on the compressor
Check compressor regularly for icing!
Icing/condensate formation in the terminal box of the compressor must be prevented through
suitable measures (e.g. suction gas overheating).
6 | Commissioning
7.1 Preparation
WARNING All work must be performed only by:
qualified personnel (see page 4)
with exclusion of any danger of explosion.
Before starting any work on the compressor:
Obtain written work release.
Switch off the compressor and secure it to prevent a restart.
Relieve compressor of system pressure.
Prevent air from infiltrating the system!
After maintenance has been performed:
Connect safety switch.
Evacuate compressor.
Release switch-on lock.
7.2 Work to be carried out
To avoid impermissible operating conditions for the compressor, the following service and
maintenance work must be performed:
Tightness test : regularly, at least once per year
Pressures, current consumption, temperatures , oil level: annually
Pressure switches, motor protection switches and connection terminals :
annually
INT69 EX2 release unit , functional test:
bi-annual
Temperature sensors : annually
Visible check, noises while running : monthly
Avoid damage, dirt and dust deposits > 5 mm.
Clean compressor regularly with a damp cloth
Oil change :
- Not mandatory in factory-produced series systems.
- In field installations or when operating near the application limit: for the first time after 100 to
200 operating hours, then approx. every 3 years or 10,000 - 12,000 operating hours. Dispose of
old oil according to the regulations; observe national regulations.